On 2017/4/10 22:13, Willy Tarreau wrote:
> On Mon, Apr 10, 2017 at 10:06:59PM +0800, zhong jiang wrote:
>> On 2017/4/10 20:48, Michal Hocko wrote:
>>> On Mon 10-04-17 20:10:06, zhong jiang wrote:
>>>> On 2017/4/10 16:56, Mel Gorman wrote:
>>>>> On Sat, Apr 08, 2017 at 09:39:42PM +0800, zhong jiang wrote:
>>>>>> when runing the stabile docker cases in the vm. The following issue will come up.
>>>>>>
>>>>>> #40 [ffff8801b57ffb30] async_page_fault at ffffffff8165c9f8
>>>>>> [exception RIP: down_read_trylock+5]
>>>>>> RIP: ffffffff810aca65 RSP: ffff8801b57ffbe8 RFLAGS: 00010202
>>>>>> RAX: 0000000000000000 RBX: ffff88018ae858c1 RCX: 0000000000000000
>>>>>> RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
>>>>>> RBP: ffff8801b57ffc10 R8: ffffea0006903de0 R9: ffff8800b3c61810
>>>>>> R10: 00000000000022cb R11: 0000000000000000 R12: ffff88018ae858c0
>>>>>> R13: ffffea0006903dc0 R14: 0000000000000008 R15: ffffea0006903dc0
>>>>>> ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000
>>>>> Post the full report including the kernel version and state whether any
>>>>> additional patches to 3.10 are applied.
>>>>>
>>>> Hi, Mel
>>>>
>>>> Our kernel from RHEL 7.2, Addtional patches all from upstream -- include Bugfix and CVE.
>>> I believe you should contact Redhat for the support. This is a) old
>>> kernel and b) with other patches which might or might not be relevant.
>> Ok, regardless of the kernel version, we just discuss the situation in theory. if commit
>> 624483f3ea8 ("mm: rmap: fix use-after-free in __put_anon_vma") is not exist. the issue
>> will trigger . Any thought.
> But this commit was backported into 3.10.43, so stable kernel users are safe.
>
> Regards,
> Willy
>
> .
yes, you are sure that the commit can fix the issue.
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